from tkinter import*
root = Tk()
root.title("Марафон. Этап 1")
root.geometry ("500x500")
canvas = Canvas (bg = "white", width = 450,height = 450)
canvas.pack(anchor = CENTER, expand = 1)
x = int(input())
y = int(input())
k = int(input())
if x +20*k > 500 or y + 30*k >500 or x +30*k < 0 or x < 0 or y <0:
    print("NO")
else:
    canvas.create_rectangle(x+0*k, y, x + 10*k, y + 30*k, fill = "blue", outline = "blue")
    canvas.create_rectangle(x, y + 10*k, x + 20*k, y +20*k, fill = "blue", outline = "blue")
